You’re not going to find a lower tier academically at any Ivy League school, even if Cornell is a tiny bit easier to get into. If you get in, you’ll also be surprised when you find that most of the kids have worked harder in high school than you have, and also are smarter than you.
Every course will be far harder than high school with an all AP schedule. APs are far easier than Ivy courses.
Although I went a long time ago, one of the running jokes was in the forward of our Calculus text, which said that it contained far too much material for a 2-semester course, and then told which sections to leave out if it was covered in 3 semesters, and If the plan was to cover it all, use 4 semesters. We covered it all in 2 semesters.
I had taken Calc BC in high school, started in the equivalent of Calc C, and got creamed. I passed, but only after figuring out how to do college level work and to study properly.
I didn’t go to a Patriot League school, but I doubt that you’ll find them to be more than a smidge easier.